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Inkjet recording apparatus and inkjet recording method

a recording apparatus and inkjet technology, applied in the field of inkjet recording apparatus and inkjet recording method, can solve the problems of increasing color interference, difficult to secure the accuracy of landing positions, and decreasing the acceptable range of a change in the physical properties of ink over time, so as to achieve flexible and curable ink, prevent curved flying of ink, and maintain uniform flying speed

Active Publication Date: 2016-02-02
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text discusses how inkjet printing works, and how important factors like ink properties and scanning speed can affect image quality. The technical effect of this patent is to provide a way to improve image quality by accounting for these important factors and making precise adjustments to the scanning speed and throw distance of the inkjet printing head.

Problems solved by technology

Accordingly, the imbalance in physical properties of inks and the acceptable range of a change in the physical properties of the ink over time have been decreasing.
In addition, it becomes difficult to secure the accuracy of landing positions, and thus, the landing interference among colors increases.
Thus, gloss unevenness occurs in a recorded image.
On the other hand, in the case where printing is performed on a recording medium of flexible packaging, such as a film, using an inkjet recording apparatus, there are some cases where peeling or cracks occurs in the ink after drying along with the expansion of the medium.
However, if the content of NVC is reduced, there has been a problem in that landing interference increases, and thus gloss unevenness occurs.

Method used

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  • Inkjet recording apparatus and inkjet recording method
  • Inkjet recording apparatus and inkjet recording method
  • Inkjet recording apparatus and inkjet recording method

Examples

Experimental program
Comparison scheme
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first embodiment

[0053][Outline of Inkjet Recording Apparatus]

[0054]FIG. 1 is an explanatory view for describing the general configuration of an inkjet recording apparatus 100. Further, FIG. 2 is a system configuration view of the inkjet recording apparatus 100.

[0055]The inkjet recording apparatus 100 includes an inkjet head 110, curing light sources 116R and 116L, a carriage 118 (one example of the retention device) carrying these inkjet head 110 and curing light sources 116R and 116L, a carriage scanning mechanism 130 (one example of the scanning device) configured to allow the carriage 118 to scan along a guide 119 which extends in a main scanning direction (corresponding to a second direction), a recording medium transporting mechanism 132 (one example of the movement device) configured to be able to move a recording medium 120, which is placed on an upper surface, in a sub-scanning direction (corresponding to a first direction) orthogonal to the main scanning direction, an image input interface...

examples

[0308]The present embodiments will be described below more specifically by reference to Examples and Comparative Examples. Further, “part(s)” in the description below means “part(s) by mass” unless otherwise specified.

[0309]Materials used in the present Examples are as shown below.

[0310][0311]NVC: N-vinyl caprolactam (V-CAP, manufactured by ISP)[0312]PEA: phenoxyethylacrylate (SR339, manufactured by Sartomer)[0313]EOTMPTA: ethylene oxide-modified trimethylol propanetriacrylate (manufactured by Sartomer, SR-454)[0314]CTFA: cyclictrimethylol propane formalacrylate (SR531, manufactured by Sartomer)[0315]IBOA: isobornylacrylate (SR506, manufactured by Sartomer)[0316]DPGDA: dipropylene glycol diacrylate (manufactured by Daicel-Cytec Company Ltd.)

[0317][0318]IRGACURE819: bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide (manufactured by BASF Japan Ltd.)[0319]DAROCUR TPO: bis(2,6-dimethoxy benzoyl)-2,4,4-trimethylpentylphenylphosphine oxide, 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide ...

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Abstract

An inkjet recording apparatus for forming an image by discharging an ink including an ink pigment and a polymerizable compound containing at least an N-vinyl lactam, in which the 90% diameter in cumulative volume distribution of the particle diameters of the ink pigment is equal to or less than 500 nm and the content of N-vinyl lactam is 3% to 24%, from nozzles of an inkjet head, which includes nozzle arrays having nozzles each of which discharges a curable ink cured by applied active energy and which are arranged in the first direction at a pitch P, the nozzle arrays being N (N≧4) nozzle arrays of every color, which respectively discharge thick inks of at least four colors and which nozzle arrays are arranged to be shifted by P / N away from each other in the first direction.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a Continuation of PCT International Application No. PCT / JP2013 / 077051 filed on Oct. 4, 2013, which claims priority under 35 U.S.C. §119(a) to Japanese Patent Application No. 2012-235712 filed on Oct. 25, 2012. Each of the above applications is hereby expressly incorporated by reference, in its entirety, into the present application.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an inkjet recording apparatus and an inkjet recording method, and in particular, to a technique for forming an image by discharging inks of a plurality of colors on a recording medium for flexible packaging, such as a film.[0004]2. Description of the Related Art[0005]A recording method with an inkjet system, using an ultraviolet curable ink (UV curable ink) that is cured by irradiation with ultraviolet rays, is known. The UV curable ink has had problems in terms of curability and storage stabilit...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B41J2/01B41J11/00B41J2/21B41J2/15
CPCB41J11/002B41J2/15B41J2/2107B41J11/00214B41J11/00218C09D11/101C09D11/322
Inventor MOCHIZUKI, KYOHEIKACHI, YASUHIKOSANADA, KAZUOSAITA, HIROFUMIOKAMORI, KAZUAKI
Owner FUJIFILM CORP